Measurement of the N+ 2s2p3 5S20 level lifetime using a heavy-ion storage ring

被引：30
作者：
Träbert, E
Wolf, A
Pinnington, EH
Linkemann, J
Knystautas, EJ
Curtis, A
Bhattacharya, N
Berry, HG
机构：
[1] Ruhr Univ Bochum, D-44780 Bochum, Germany
[2] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[3] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada
[4] Univ Laval, Dept Phys, Quebec City, PQ G1K 7P4, Canada
[5] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[6] Univ Notre Dame, Dept Phys, Notre Dame, IN 46366 USA
来源：
PHYSICAL REVIEW A | 1998年 / 58卷 / 06期
关键词：
D O I：
10.1103/PhysRevA.58.4449
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The slow electric-dipole intercombination decay of the 2s2p(3) S-5(2)0 level in the C-like ion N+, which appears in the auroral airglow spectrum, has been optically observed from ions circulating in a storage ring. A result of 5.88 +/- 0.03 ms was obtained for the natural lifetime of this level. This represents an improvement in precision by a factor of 10 compared to previous radio-frequency and electrostatic ion trap work and is in slight disagreement with the latest theoretical values. [S1050-2947(98)02812-1].
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页码：4449 / 4452
页数：4
相关论文
共 25 条
[1]   Oscillator strengths for transitions in O III [J].
Aggarwal, KM ;
Hibbert, A ;
Keenan, FP .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1997, 108 (01) :393-401
[2]   TRANSITION-PROBABILITIES FOR SOME SPECTRAL-LINES OF SINGLY IONIZED NITROGEN [J].
BELL, KL ;
HIBBERT, A ;
STAFFORD, RP .
PHYSICA SCRIPTA, 1995, 52 (03) :240-251
[3]   Transition rates of the intercombination UV0.01 multiplet in N II [J].
Brage, T ;
Hibbert, A ;
Leckrone, DS .
ASTROPHYSICAL JOURNAL, 1997, 478 (01) :423-429
[4]   RADIATIVE LIFETIME OF THE 3S3P(3)(5S2(0)) METASTABLE LEVEL OF P+ [J].
CALAMAI, AG ;
HAN, XF ;
PARKINSON, WH .
PHYSICAL REVIEW A, 1992, 45 (05) :2716-2722
[5]   RADIATIVE LIFETIME OF THE 2S2P3(5S2) METASTABLE STATE OF N+ [J].
CALAMAI, AG ;
JOHNSON, CE .
PHYSICAL REVIEW A, 1991, 44 (01) :218-222
[6]   THEORETICAL OSCILLATOR-STRENGTHS FOR 21 SPIN-FORBIDDEN LINES OF C, N, O, AL, AND SI [J].
COWAN, RD ;
HOBBS, LM ;
YORK, DG .
ASTROPHYSICAL JOURNAL, 1982, 257 (01) :373-375
[7]   AURORAL 2150 A FEATURE - CONTRIBUTION FROM LINES OF SINGLY IONIZED ATOMIC NITROGEN [J].
DICK, KA .
GEOPHYSICAL RESEARCH LETTERS, 1978, 5 (04) :273-274
[8]   Precision measurement of the electric dipole intercombination rate in C2+ [J].
Doerfert, J ;
Trabert, E ;
Wolf, A ;
Schwalm, D ;
Uwira, O .
PHYSICAL REVIEW LETTERS, 1997, 78 (23) :4355-4358
[9]  
DUYSINX R, 1972, ANN GEOPHYS, V28, P109
[10]   COMPARISON OF THEORETICAL AND EXPERIMENTAL LEVEL VALUES OF THE N=2 CONFIGURATIONS IN THE CARBON ISOELECTRONIC SEQUENCE [J].
EDLEN, B .
PHYSICA SCRIPTA, 1985, 31 (05) :345-358
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